Hyperthyroidism is a disorder in which your thyroid gland makes and releases more thyroidhormone than your body needs. Your doctor may say you have an “overactive thyroid,” or refer to the condition as “overactive thyroid disease.” Your thyroid gland is located in the front of your neck…


Hypothyroidism (Underactive Thyroid)

Hypothyroidism, also called underactive thyroid disease, is a common disorder. Withhypothyroidism, your thyroid gland does not make enoughthyroid hormone.

The thyroid gland is located in the front lower part of your neck. Hormones released by the gland travel through your bloodstream and…